How severe is CVE-2015-4001?

CVE-2015-4001 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2015-4001 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4001?

CVE-2015-4001 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4001?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2015-4001 published?

CVE-2015-4001 was published on 2015-06-07 and last updated on 2026-06-17.

CVE-2015-4001

CVE-2015-4001 is a critical-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Linux Linux Kernel
Published: 2015-06-07
Last modified: 2026-06-17

Description

Integer signedness error in the oz_hcd_get_desc_cnf function in drivers/staging/ozwpan/ozhcd.c in the OZWPAN driver in the Linux kernel through 4.0.5 allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted packet.

Frequently asked questions

What is CVE-2015-4001?: Integer signedness error in the oz_hcd_get_desc_cnf function in drivers/staging/ozwpan/ozhcd.c in the OZWPAN driver in the Linux kernel through 4.0.5 allows remote attackers to cause a denial of service (system crash) or possibly execute arbitrary code via a crafted packet.
How severe is CVE-2015-4001?: CVE-2015-4001 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2015-4001 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4001?: CVE-2015-4001 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4001?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-4001 published?: CVE-2015-4001 was published on 2015-06-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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